... prevents the miscella against flowing back to material cell and thus to ensure good extraction effect;-ray ... de-mixed, degumming, dehydration, deacidification, decolorzation, dewaxing and deodorization.oil refining equipment Main Equipment :Decoloration tower, deodorization ... 4. with professional thermometer , professiona pressure gauge and safety valve.b.Environment friendly:1.dedusting system ...